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212 lines
4.1 KiB
212 lines
4.1 KiB
4 months ago
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# RUN: llvm-mc %s -filetype obj -triple x86_64-linux-elf -o %t.o
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# RUN: llvm-cfi-verify %t.o 2>&1 --summarize | FileCheck %s
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# This is the same file as protected-lineinfo.s, however contains a hand-
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# assembled function (fake_function) that has no line table information
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# associated with it. Because there is no LT info, the indirect call made in the
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# function should not be reported at all by llvm-cfi-verify.
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# We can test that this indirect call is ignored from the final statistics
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# reporting of the cfi-verify program. It should only find a single indirect CF
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# instruction at `tiny.cc:11` (see protected-lineinfo.s for the source).
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# CHECK-NOT: Begin Instruction
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# CHECK: Expected Protected: 1 (100.00%)
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# CHECK: Unexpected Protected: 0 (0.00%)
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# CHECK: Expected Unprotected: 0 (0.00%)
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# CHECK: Unexpected Unprotected (BAD): 0 (0.00%)
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.text
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.file "ld-temp.o"
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.p2align 4, 0x90
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.type fake_function,@function
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fake_function:
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nop
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nop
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nop
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nop
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callq *%rax
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nop
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nop
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nop
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nop
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.type _Z1av.cfi,@function
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_Z1av.cfi:
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.Lfunc_begin0:
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.file 1 "tiny.cc"
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.loc 1 3 0
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.cfi_startproc
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pushq %rbp
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.cfi_def_cfa_offset 16
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.cfi_offset %rbp, -16
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movq %rsp, %rbp
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.cfi_def_cfa_register %rbp
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.Ltmp0:
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.loc 1 3 11 prologue_end
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popq %rbp
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retq
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.Ltmp1:
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.Lfunc_end0:
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.size _Z1av.cfi, .Lfunc_end0-_Z1av.cfi
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.cfi_endproc
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.p2align 4, 0x90
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.type _Z1bv.cfi,@function
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_Z1bv.cfi:
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.Lfunc_begin1:
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.loc 1 4 0
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.cfi_startproc
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pushq %rbp
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.cfi_def_cfa_offset 16
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.cfi_offset %rbp, -16
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movq %rsp, %rbp
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.cfi_def_cfa_register %rbp
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.Ltmp2:
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.loc 1 4 11 prologue_end
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popq %rbp
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retq
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.Ltmp3:
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.Lfunc_end1:
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.size _Z1bv.cfi, .Lfunc_end1-_Z1bv.cfi
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.cfi_endproc
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.hidden main
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.globl main
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.p2align 4, 0x90
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.type main,@function
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main:
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.Lfunc_begin2:
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.loc 1 6 0
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.cfi_startproc
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pushq %rbp
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.cfi_def_cfa_offset 16
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.cfi_offset %rbp, -16
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movq %rsp, %rbp
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.cfi_def_cfa_register %rbp
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subq $32, %rsp
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movb $32, -1(%rbp)
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movl $0, -12(%rbp)
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movl %edi, -8(%rbp)
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movq %rsi, -32(%rbp)
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.Ltmp4:
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.loc 1 8 12 prologue_end
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cmpl $1, -8(%rbp)
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.loc 1 8 7 is_stmt 0
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jne .LBB2_2
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.loc 1 0 7
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leaq _Z1av(%rip), %rax
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.loc 1 9 9 is_stmt 1
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movq %rax, -24(%rbp)
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.loc 1 9 5 is_stmt 0
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jmp .LBB2_3
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.LBB2_2:
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.loc 1 0 5
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leaq _Z1bv(%rip), %rax
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.loc 1 11 9 is_stmt 1
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movq %rax, -24(%rbp)
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.LBB2_3:
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.loc 1 0 9 is_stmt 0
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leaq .L.cfi.jumptable(%rip), %rcx
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.loc 1 13 3 is_stmt 1
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movq -24(%rbp), %rax
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movq %rax, %rdx
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subq %rcx, %rdx
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movq %rdx, %rcx
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shrq $3, %rcx
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shlq $61, %rdx
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orq %rcx, %rdx
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cmpq $1, %rdx
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jbe .LBB2_5
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ud2
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.LBB2_5:
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callq *%rax
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.loc 1 14 11
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movb $-1, -1(%rbp)
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.loc 1 15 1
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movl -12(%rbp), %eax
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addq $32, %rsp
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popq %rbp
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retq
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.Ltmp5:
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.Lfunc_end2:
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.size main, .Lfunc_end2-main
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.cfi_endproc
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.p2align 3, 0x90
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.type .L.cfi.jumptable,@function
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.L.cfi.jumptable:
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.Lfunc_begin3:
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.cfi_startproc
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#APP
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jmp _Z1av.cfi@PLT
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int3
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int3
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int3
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jmp _Z1bv.cfi@PLT
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int3
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int3
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int3
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#NO_APP
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.Lfunc_end3:
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.size .L.cfi.jumptable, .Lfunc_end3-.L.cfi.jumptable
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.cfi_endproc
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.section .debug_str,"MS",@progbits,1
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.Linfo_string0:
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.asciz "clang version 6.0.0 (trunk 316774)"
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.Linfo_string1:
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.asciz "tiny.cc"
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.Linfo_string2:
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.asciz "/tmp/a/b"
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.section .debug_abbrev,"",@progbits
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.byte 1
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.byte 17
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.byte 0
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.byte 37
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.byte 14
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.byte 19
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.byte 5
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.byte 3
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.byte 14
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.byte 16
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.byte 23
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.byte 27
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.byte 14
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.byte 17
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.byte 1
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.byte 18
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.byte 6
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.byte 0
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.byte 0
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.byte 0
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.section .debug_info,"",@progbits
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.Lcu_begin0:
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.long 38
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.short 4
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.long .debug_abbrev
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.byte 8
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.byte 1
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.long .Linfo_string0
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.short 4
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.long .Linfo_string1
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.long .Lline_table_start0
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.long .Linfo_string2
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.quad .Lfunc_begin0
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.long .Lfunc_end2-.Lfunc_begin0
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.section .debug_ranges,"",@progbits
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.section .debug_macinfo,"",@progbits
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.Lcu_macro_begin0:
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.byte 0
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.type _Z1av,@function
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_Z1av = .L.cfi.jumptable
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.type _Z1bv,@function
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_Z1bv = .L.cfi.jumptable+8
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.ident "clang version 6.0.0 (trunk 316774)"
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.section ".note.GNU-stack","",@progbits
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.section .debug_line,"",@progbits
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.Lline_table_start0:
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